While it's not likely to get too chilly on Monday, there is a chance it'll be a little soggy by the end of the day.
The high temperature should reach 66 degrees — about two warmer than the May 5 average — according to the National Weather Service in Billings.
Also during the day, there's a 30 percent chance of rain, with a slight chance of showers early on and then a chance of rain and thunderstorms after noon.
Temperatures could drop more than 20 degrees overnight, with the NWS predicting a low of 43.
However, as the temperature drops, the chance of rain will increase to 60 percent for the evening, according to the weather service.
There's an 80 percent chance of rain on Tuesday and the high should reach 56 degrees. Overnight, the temperature will drop to about 35 degrees and there's an 80 percent chance of rain or snow.
According to the weather service's five-day forecast, precipitation could continue through Thursday afternoon before clearing up that evening.